Contents
1 Features...........................................................................2
2 Ordering information ..............................................................3
2.1 Codification ...................................................................3
3 Development environment .........................................................4
3.1 System requirements ...........................................................4
3.2 Development toolchains .........................................................4
3.3 Demonstration software .........................................................4
4 Conventions.......................................................................5
5 Quick start ........................................................................6
6 Hardware layout and configuration.................................................7
6.1 Hardware block diagram ........................................................7
6.2 Main board layout ..............................................................8
6.3 Mechanical drawing ............................................................9
6.4 Embedded STLINK-V3EC ......................................................10
6.4.1 Description ............................................................10
6.4.2 Drivers ...............................................................11
6.4.3 STLINK-V3EC firmware upgrade ...........................................11
6.4.4 Using an external debug tool to program and debug the on-board STM32 ............11
6.5 Power supply .................................................................13
6.5.1 Power source selection ...................................................13
6.5.2 Supplying the board with the STLINK-V3EC USB connector (CN8) .................14
6.5.3 Supplying the board with an external power supply from the ARDUINO
®
connector (CN5)15
6.5.4 Supplying the board with the application USB connector (CN2) ....................15
6.5.5 Measurement of microcontroller current consumption ............................16
6.6 Clocks.......................................................................16
6.6.1 Low‑speed external (LSE) clock ............................................16
6.6.2 High‑speed external (HSE) clock ...........................................16
6.7 Reset .......................................................................16
6.8 Boot modes ..................................................................17
7 Board functions ..................................................................18
7.1 USB.........................................................................18
7.2 Octo‑SPI flash memory ........................................................19
7.3 Virtual COM port ..............................................................19
7.4 Buttons and LEDs .............................................................20
UM3223
Contents
UM3223 - Rev 1
page 33/37
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